Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Prionocidaris australis (aboral) Description Aboral side: The apical spines form a cone covering the anal opening.Diameter of test 51 mm; off Balina, New South Wales, Australia.ZMUC Author Schultz, Heinke JPG file - 428.15 kB - 1 600 x 1 200 pixels added on 2011-02-23243 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview